1140432503 has 16 divisors (see below), whose sum is σ = 1310929920. Its totient is φ = 971850336.

The previous prime is 1140432451. The next prime is 1140432509. The reversal of 1140432503 is 3052340411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1140432503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140432509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1585778 + ... + 1586496.

It is an arithmetic number, because the mean of its divisors is an integer number (81933120).

Almost surely, 2^1140432503 is an apocalyptic number.

1140432503 is a deficient number, since it is larger than the sum of its proper divisors (170497417).

1140432503 is an equidigital number, since it uses as much as digits as its factorization.

1140432503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1140432503 is about 33770.2902415718. The cubic root of 1140432503 is about 1044.7760187834.

Adding to 1140432503 its reverse (3052340411), we get a palindrome (4192772914).

The spelling of 1140432503 in words is "one billion, one hundred forty million, four hundred thirty-two thousand, five hundred three".